So far after recommendations, it seems to be working alright, but only after 3 doses... son told me he doesn't like the taste, that it's yucky, but he's my good boy so he takes it still without kicking up a big fuss.

Both my kids (2 and 5) have no problem taking any medicine, but these one is extremely repulsive for them =( they cough hard after taking it ans almost throw up, we"ll stay with Boiron Chestal that works like magic and tastes nice for them